Global Patent Index - EP 3383523 A1

EP 3383523 A1 20181010 - ZWITTERIONIC SULFONE POLYMER FLAT SHEET MEMBRANE

Title (en)

ZWITTERIONIC SULFONE POLYMER FLAT SHEET MEMBRANE

Title (de)

ZWITTERIONISCHE SULFONPOLYMER-FLACHFOLIENMEMBRAN

Title (fr)

MEMBRANE EN FEUILLE PLATE DE POLYMÈRE SULFONÉ ZWITTERIONIQUE

Publication

EP 3383523 A1 20181010 (EN)

Application

EP 16871556 A 20161202

Priority

  • US 201514958939 A 20151204
  • US 2016064557 W 20161202

Abstract (en)

[origin: WO2017096126A1] Provided herein are certain sulfone polymers having zwitterionic functionality and blends thereof which are suitable for preparation of flat sheet membranes. The polymer blends comprise a blend of a first polymer comprising a sulfone polymer having zwitterionic functionality and a second polymer comprising a sulfone polymer.

IPC 8 full level

B01D 71/80 (2006.01); B01D 63/08 (2006.01); B01D 69/02 (2006.01); B01D 71/68 (2006.01)

CPC (source: EP US)

B01D 69/02 (2013.01 - EP); B01D 69/06 (2013.01 - EP US); B01D 71/80 (2013.01 - EP); B01D 71/68 (2013.01 - EP); B01D 2325/18 (2013.01 - EP); B01D 2325/28 (2013.01 - EP)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

WO 2017096126 A1 20170608; EP 3383523 A1 20181010; EP 3383523 A4 20190724

DOCDB simple family (application)

US 2016064557 W 20161202; EP 16871556 A 20161202